OEW
Encyclopedia
Operating empty weight is the basic weight of an aircraft
Aircraft
An aircraft is a vehicle that is able to fly by gaining support from the air, or, in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.Although...

 including the crew, all fluids necessary for operation such as engine oil, engine coolant, water, unusable fuel and all operator items and equipment required for flight but excluding usable fuel and the payload. Also included are certain standard items, personnel, equipment, and supplies necessary for full operations.

The Operating Empty Weight (OEW) is basically the sum of the Manufacturer's Empty Weight
Manufacturer's Weight Empty
Manufacturer's Weight Empty Manufacturer's Weight Empty (MWE) Manufacturer's Weight Empty (MWE) (also known as Manufacturer's Empty Weight (MEW) is the weight of the aircraft "as built" and includes the weight of the structure, power plant, furnishings, installations, systems and other equipment...

(MEW), Standard Items (SI), and Operator Items (OI).

OEW = MEW + SI + OI
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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